Base | Representation |
---|---|
bin | 101111000111… |
… | …011000100101 |
3 | 212020111101221 |
4 | 233013120211 |
5 | 11130213023 |
6 | 1120420341 |
7 | 206660533 |
oct | 57073045 |
9 | 25214357 |
10 | 12351013 |
11 | 6a76554 |
12 | 41776b1 |
13 | 27359bc |
14 | 18d7153 |
15 | 113e85d |
hex | bc7625 |
12351013 has 8 divisors (see below), whose sum is σ = 12893400. Its totient is φ = 11816448.
The previous prime is 12351011. The next prime is 12351029. The reversal of 12351013 is 31015321.
It can be written as a sum of positive squares in 4 ways, for example, as 804609 + 11546404 = 897^2 + 3398^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12351013 - 21 = 12351011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12351011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393 + ... + 5161.
It is an arithmetic number, because the mean of its divisors is an integer number (1611675).
Almost surely, 212351013 is an apocalyptic number.
It is an amenable number.
12351013 is a deficient number, since it is larger than the sum of its proper divisors (542387).
12351013 is a wasteful number, since it uses less digits than its factorization.
12351013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3911.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 12351013 is about 3514.4008024128. The cubic root of 12351013 is about 231.1537054153.
Adding to 12351013 its reverse (31015321), we get a palindrome (43366334).
The spelling of 12351013 in words is "twelve million, three hundred fifty-one thousand, thirteen".
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